The D9124 is a 9000 control panel with a 24Vdc PSU and all the needed Fire Accessories for a basic system, all in one large red enclosure. See parts List below.
The D9124 is made up of the following:
D9112LTB, D9412LTB ,D9412GLTB, D9412GV2LTB - Control Panel
D9101 - Red Enclosure
D9100 - Carriers Module with the Following parts *
* 2 - D192C - Bell Supervision Modules
* 1 - D8125 - Popex Module
* 1 - D928 - Dual Phone line Switcher
* 1 - D9142LC - 24Vdc Power Supply
D1256 - Fire Keypad
D1601 - Hardwire Transformer